<template>
  <div class="a">
    <div
      class="selectAll"
      :class="{changeSelectAll: isshow}"
      @click="isshow=!isshow"
    >
      <div class="text-header">全部</div>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      isshow: true
    };
  }
};
</script>

<style>
.text-header {
  padding-left: 23px;
  border-left: 1px solid #0099cc;
  border-bottom: 1px solid #f7f7f7;
  letter-spacing: 2px;
  line-height: 37px;
}

.changeSelectAll {
  color: #0099cc;
}
</style>